Profile: Wenzhou Longda Plastic Business Co., Ltd. specializes in producing PE fittings, flanges and transition fittings for PE plastic pipes. We are an ISO 9000/9001/9004/19011: 2000 certified company. Our products are widely used in plastic pipeline networks for transporting gas & water, and are applicable for chemical industry, oil field, mine, irrigation & drainage as well as other fields. Our products include socket pipe fitting, ball valves, PE pipes, welding machines, flanges and electro fusion fittings. Our socket pipe fittings include female adapters, male elbow, male adapter and female elbow. Our ball valves are available in PE, fully welded and long stern types. Our female adapters are available in DN20 to DN800 sizes. These are widely applied in water supply, sewage treatment, oil & gas distribution and industrial liquid transportation. Male adapters are made up of PE/steel. These are widely used in connecting PE pipe to steel pipe or other typical pipes. These are corrosion resistant and can resist the corrosion of many chemical mediums. Our butt fusion HDPE molded fittings include couplers, reducers, elbows, tee, and nylon coated flange plate. They adopt a variety of non-digging methods, bringing great convenience to construction and development.